Meister



(himmel.)

dJ.: SIMON. 1 LoeKINe LATCH. No. 264,575. Patented Sept. 19, 1882.

WITNESSES: y A INVBNTOR WMM A' 1A BY f' f,

ATTORNEY l UNITED STATES PATENT OFFICE.

JOHN sIMON,'oE NEw YORK, N. Y., AssreNOH r,ro HERMANN E. BAU.

Y MEISTER, OE SAME rLAcE.

LOC K I NG-LATC H.

SPECIFIGATION formngpart of Letters vPatent No. 264,575, dated September 19, 1882.

' Application filed June 2 6, 1882. (Modem.

I door-lock of that class in which the locking mechanism is arranged in the hollow spindle and operated by a key inserted into a key-hole of the outer door-knob, whereby the lock may be locked from the 4outside or inside, so as to prevent meddling, it bein g on this account specially adapted for hotels and'similar -purposes.

The invention consists of a door-lock the tubular spindle of which isv provided with an vinterior sliding and spring-pressed bolt that is actuated by a key inserted through a key-hole ofthe outer knob, or from the inside by a button, so as to withdraw two spriug-actedjaws into the spindle or force them out through recesses of the same. The button at the inner end of the spindle-bolt is set either by the key into a recess at the inner end ofthe spindle or released therefrom, so as to throw the springacted jaws through slots Ot' the spindle to the outside, so as to engage the oscillating piece and operate the. main bolt in the usualmanner by the turning ot' the spindle.

In the accompanying drawings, Figure l represents a side elevation of my improved doorlock,1)artlyin section, through the spindle andlockng mechanism. Fig. 2 is a horizontal section of the sameV on line .fr x. Fig. l and Figs. 3 and 4 are vertical longitudinal sections ofthe spindle,showing the door lock respectivcly in locked position and in position for being opened.

Similar letters denote corresponding parts.

Referring to the drawings, A represents the casing, and A', the springactuated bolt, of my improved door-lock, which bolt is guided in the casin g by a recessed guide-piece, A2.

The guide-piece A2 is provided at its inner end with sockets or recesses for the 'diametrically opposite ears or lugs a ot an oscillating piece, A3, that is moved to one side or theY other by the spindle B, which passes centrally through the oscillating piece A3, as shown clearly iu Fig. 1.

The spindle B of the door-lock is lnade tubular throughoutJ its entire length, and provided with door-knobs B' at both ends, by which it is capable ot" being turned around its axis, so as Yto withdraw the main bolt A' by the intermediatcparts,A3aud A2. The bolt, however. is thrown out again by its spring in the usual manner. The spindle B is tirmly secured to the door-casing, so asto prevent longitudinal -mot.ion,by an annular shoulderat one sideand a collar atfthe other side of the door, said shoulder and collar being covered by suitable roses that are screwed to the door. The spindle Bis provided at the part which passes through the easing of the door-lock, at diametrically opposite points, and in line with the lugs ct ot' piece A3, with slots b, through which pass two springpressed jaws, d d, which are piyoted at their inner ends to the tubular middle portion of a longitudinally-sliding aud j axially-turning bolt, G, and are thrown to the Outside of the spindle B, so as to engage corresponding recesses d' ofthe intermediate oscillating piece, A5, as shown clearly in Figs. l

l an d 4.

The interiorvbolt, C, of the spindle B can be Operated from the outside or inside ot' the door-from the outside by means of a key, D, that is inserted through a corresponding keyhole in the outer' door-knob, B', from the .inside by a buttonror knob, C', which moves in an L-shaped recess, e, at the inner end ot' the spindle B. The lock may' consequently be Opened or closed from the outside by means ot' the key and suitable mechanism and from the inside, without the key, by the button C'.

For the purpose of operating the bolt B, the key D is inserted into a keyfsocket, D', of4 the outer knob, B', so that its longer middle tongue, f, pushes rst a square and springpressed rod, f', into a square socket, f2, at the end of the bolt B, as shown in Fig. 3.

Two shorter side tongues, f3, of the key D press back simultaneously short slide-bolts g, which force back small spring-acted bolts g ot' equal orditter'ent lengt-h, the side 'tongues of to, so as to admit, when the small bolts are thrown in, the unobstructed turning ofthe key-socket D in the knob bythe key D.

The square connecting-rod f is guided in a square center recess of the key-socket D,and is acted upon by a spiral spring placed round the extension of the square rodf in thcsocket ofthe slide-bolt C, so that the rod is returned to its normal position in the key-socket D', as shown in Fig. 4, when the key is withdrawn from the outer knob.

Uien the key is inserted in the door-knob and pushed. in sufticiently far, so that the small spring-bolts g clear the key-socket D, the square connecting-rod f is in such a position that the axial turning ot' the key-socket 1) produces also the axial turning` ot' the interior slide-bolt, C, as by the insertion ot' the longer tongue of the key D the square rod has been pushed back, and simultaneously therewith the bolt C moved back in the spindle B.

rlhe backward motion of' the slide-bolt C causes first the drawing in ot' the springactu Iated jaws d d into the spindle, they turning the inside ot' the same with the bolt U. The button at the rear end of the bolt C is also pushed back with the bolt and set by the axial lnotion of the same into the lateral portion ot' the -shaped recess e at the inner end of the spindle, in which position itis retained by the action ot' a spiral spring, h, interposed between a transverse key, lz', connecting-spindle B, and bolt C, and an interior shoulder ofthe slide-bolt C, the slide-bolt being provided at that point with longitudinal slots for moving along the key without being obstructed by the same. As soon, therefore, as the cut-ter G is placed into the recess ot' the spindle, as shown in liig. 3, the spindle is detached from the oseillating piece A3 and turns loosely in the lock without operating the bolt A, so that the lock can consequently not be opened from the outside, as the spindle follows the turning motion of the knob, without, however, exerting any i11- iluence on the bolt. It' the locking-bolt has been set from the inside by the button, the saine result is obtained, and consequently the opening of the lock from the outside prevented. \\hen the bolt C is turned in theopposite direction from the outside by the key, so that the button clears the recess at the inner end ofthe spindle, the spiral spring ot'the locking-bolt throws the boltt'orward and allows the jaws d d to pass through the recesses of the bolt and of the spindle to the outside, so as to reengage the oscillating piece A3 and admit the withdrawing ot the main bolt A by the axial motion ot' the knob and spindle, in the usual manner. rIhe same result may also be obtained from the inside ofthe door by releasing the interior button, C', ofthe slide-holt U from the lateral extension of the recess e at the inner end of the spindle, after which the bolt is moved forward by the spring and set into the position shown in Fig. 4.

In this manner a comparatively simple locking device for door-locks, which can bethrown into operation from the outside or from thcinside, is obtained, which serves both as asafety device and as a latch device Without requiring a separate locking bolt and latch.

Havingthusdescribed my invention, I claim as new and desire to secure by Letters Patent- 1. The combination, in a doorlock with a spring-actuated main bolt and an axially-turning spindle, ot'an interior longitudinally-sliding and axially-turning locking-bolt having laterallyextending spring-jaws and means for operating the bolt from the outside by a key inserted through the outer door-knob, or from the inside by a button or other device at the innerendofsaid bolt, substantiallyas set forth.

2. rIhe combination of a tubular spindle, B, an interior longitudinally-sliding and axiallyturning bolt, C, having laterally movable springjaws d d, an outer door-knob, B', having key-socket D and slidebolts g g, a square spring-actuated center bolt, f', ofthe bolt C, and side spring-bolts, g g', ofthe spindle B, which bolts are operated by the key, substantially as specified.

3. rlhe combination of the tubular spindle B, having a guide-recess, e, at the inner end, an interior spring-actuated bolt, U, having pivoted springjaws d d, and a button, U', at the inner end, and means for moving and turning the bolt by a key inserted into a socket ot the outer door-knob, whereby thejaws are drawn back into or thrown out ot' the spindle from either side of the door, substantially as set forth.

In testimony that I claim the foregoing as my invention I have signed my name in the presence ot' two subscribing witnesses.

JOHN SIMON.

Witnesses:

PAUL GoEPnL, SIDNEY MANN.

ICO 

